CN116206997B - Packaging control management system based on full-automatic semiconductor production line - Google Patents
Packaging control management system based on full-automatic semiconductor production line Download PDFInfo
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L22/00—Testing or measuring during manufacture or treatment; Reliability measurements, i.e. testing of parts without further processing to modify the parts as such; Structural arrangements therefor
- H01L22/10—Measuring as part of the manufacturing process
- H01L22/12—Measuring as part of the manufacturing process for structural parameters, e.g. thickness, line width, refractive index, temperature, warp, bond strength, defects, optical inspection, electrical measurement of structural dimensions, metallurgic measurement of diffusions
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/26—Testing of individual semiconductor devices
- G01R31/2601—Apparatus or methods therefor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L22/00—Testing or measuring during manufacture or treatment; Reliability measurements, i.e. testing of parts without further processing to modify the parts as such; Structural arrangements therefor
- H01L22/10—Measuring as part of the manufacturing process
- H01L22/14—Measuring as part of the manufacturing process for electrical parameters, e.g. resistance, deep-levels, CV, diffusions by electrical means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L22/00—Testing or measuring during manufacture or treatment; Reliability measurements, i.e. testing of parts without further processing to modify the parts as such; Structural arrangements therefor
- H01L22/20—Sequence of activities consisting of a plurality of measurements, corrections, marking or sorting steps
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
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Abstract
The invention discloses a packaging control management system based on a full-automatic semiconductor production line, which relates to the technical field of packaging management, and solves the problems that whether the performance of a semiconductor is tested, whether the corresponding semiconductor can operate in various different environments or not is tested, meanwhile, the reliability test is not carried out on an abnormal semiconductor, so that the technical problem of production loss is reduced, the semiconductor is analyzed, tested and judged to be normal or not, then the signal test is carried out, and whether the signal test is normal or not is judged; when the tested temperature is abnormal, the semiconductor can normally operate, no problem exists, if the tested temperature is abnormal, the semiconductor is represented to be the abnormal semiconductor, then the reliability test is carried out on the abnormal semiconductor, whether the abnormal semiconductor can influence normal use is judged, the accuracy of the semiconductor test can be improved through multiple analysis tests, the reliability of the abnormal semiconductor is analyzed, and the overall encapsulation control management effect is improved.
Description
Technical Field
The invention belongs to the technical field of packaging management, and particularly relates to a packaging control management system based on a full-automatic semiconductor production line.
Background
The semiconductor packaging refers to a process of processing a wafer passing through a test according to a product model and a function requirement to obtain an independent chip, wherein the packaging process is as follows: the wafer from the wafer front process is cut into small wafers after the dicing process, then the cut wafers are attached to corresponding substrate frames by glue, and bonding pads of the wafers are connected to corresponding pins of the substrate by using superfine metal wires or conductive resin to form required circuits;
the semiconductor production process comprises wafer manufacturing, wafer testing, chip packaging and post-packaging testing, and a series of operations such as post-curing, rib cutting and forming, electroplating, printing and the like are further carried out after plastic packaging;
the invention of patent publication No. CN113472253B provides a control method of a semiconductor packaging control system, which belongs to the technical field of semiconductors, and is characterized in that a position loop, a speed loop and a current loop are controlled based on PID/PI, a control object, the current loop and the speed loop are taken as a control whole on the basis, acceleration and speed feedforward are added to the position loop to improve the response capability of the system, ensure the performance of 'target tracking characteristic', and simultaneously a specific interference observer is added to the position loop to improve the inhibition capability of internal interference and external interference, so that the performance of 'external interference inhibition characteristic' is realized.
In the full-automatic production packaging management process of semiconductors, surface analysis is generally carried out on the semiconductors to determine that the surfaces of the semiconductors are normal, then signal testing is carried out to confirm that the semiconductors can normally operate, but the performance of the semiconductors is not tested, whether the corresponding semiconductors can operate in various different environments or not is tested, meanwhile, reliability testing is not carried out on the abnormal semiconductors, and therefore production loss is reduced.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art; therefore, the invention provides a packaging control management system based on a full-automatic semiconductor production line, which is used for solving the technical problems that the performance of the semiconductor is not tested, whether the corresponding semiconductor can operate in various different environments is tested, and meanwhile, the reliability of the abnormal semiconductor is not tested, so that the production loss is reduced.
To achieve the above object, an embodiment according to a first aspect of the present invention proposes a packaging control management system based on a fully automatic semiconductor production line, including a graphic acquisition terminal, a packaging management center, and a display terminal;
the packaging management center comprises an image analysis module, an abnormality confirmation module, a storage module, a signal generation module, a test module and a temperature control module;
the image analysis module comprises a distance analysis unit and a pin analysis unit, and the test module comprises a signal test unit and a parameter test unit;
the image acquisition terminal acquires an integral image of the outer surface of the packaged semiconductor and transmits the acquired integral image to the packaging management center;
the image analysis module in the packaging management center performs image analysis on the whole image, analyzes parameters of the distance between the wafer and the corner of the substrate in advance through the distance analysis unit, and then analyzes pins around the semiconductor to generate an image analysis result, and the specific mode is as follows:
determining corner points of the four peripheries of the wafer according to the acquired integral image, and marking the determined corner points in sequence;
subsequently, confirming the corner points in the substrate according to the marked corner points, and obtaining distance values between the corner points of the wafer edge and the corner points of the substrate to obtain a plurality of groups of corresponding distance values;
analyzing whether the four groups of distance values are equal, if so, indicating that the mounting positions of the wafer positions are normal, assigning 1 to the designated semiconductor, otherwise, indicating that the mounting of the wafer positions is abnormal, and assigning 0 to the designated semiconductor;
the pin analysis unit acquires the peripheral pin images of the semiconductor, and plans the opposite pin images into a comparison set, performs mirror analysis and comparison on the pin images in the comparison set, assigns 1 to the designated semiconductor again when the existing pin images are consistent in a plurality of groups of comparison sets, and assigns 0 to the designated semiconductor if the existing pin images are inconsistent;
transmitting the assigned semiconductor number to an abnormality confirmation module;
the abnormality confirmation module receives the semiconductor number and judges whether the semiconductor is normal or not according to the image analysis result, and the specific mode is as follows:
confirming the designated semiconductor, acquiring the assignment of the designated semiconductor, marking the semiconductor with the assignment of 11 as a normal semiconductor, and performing retest processing through a test module;
if the assigned value of the assigned semiconductor is inconsistent with 11, the assigned semiconductor is marked as an abnormal semiconductor, an abnormal signal is generated through the signal generating module, and the number of the abnormal semiconductor and the abnormal signal are transmitted to the display terminal for display;
the test module is used for carrying out test processing on the semiconductor judged to be normal, carrying out signal test through the signal test unit in advance, directly marking the semiconductor as an abnormal product if the signal test is abnormal, and carrying out parameter analysis test processing through the parameter test unit if the signal test is abnormal;
the parameter test unit is used for performing parameter test processing on the semiconductor with normal signal test, controlling the external environment temperature through the temperature control module, determining a group of abnormal temperatures, performing reliability test again according to the determined abnormal temperatures, and analyzing whether the corresponding semiconductor can influence normal use.
Preferably, the specific mode of the signal testing unit for signal testing is as follows:
the signal testing unit is used for carrying out signal testing on a normal semiconductor in advance, sending a group of test signals into the semiconductor, analyzing the output time length of the test signals and marking the output time length as SC i Wherein i represents different normal semiconductors;
extracting a preset parameter Y1 from the storage module, wherein the preset parameter Y1 is a preset value, and outputting a duration SC i Alignment with Y1 when SC i And when Y1 is less than or equal to the preset value, the normal semiconductor test is represented to be normal, the parameter test unit is used for carrying out parameter test processing, otherwise, the signal generation module is used for generating an abnormal signal.
Further, the specific mode of the parameter test unit for performing parameter test processing on the semiconductor with normal signal test is as follows:
s1, determining a group of external environment temperatures through a temperature control module, wherein the external environment temperatures are drawn up in advance by an operator, a monitoring period T is limited, the optimal power parameters are input into a semiconductor with normal signal test, the output power parameters are recorded, a power parameter graph is established, the parameters of a horizontal coordinate axis are time values, and the parameters of a vertical coordinate axis are output power parameters;
s2, marking the output power parameter as GL i-t Wherein t represents different time points, each group of time points are separated by 1 second, t=1, 2, … … and n, and a preset parameter Y2 is extracted from the storage module, wherein the preset parameter Y2 is a preset value;
s3, when GL i-t When the temperature is not less than Y2, no treatment is performed, otherwise, the determined external environment temperature is marked as abnormal temperature;
s4, sequentially changing the external environment temperature by the temperature control module, repeating the steps S1-S3, and sequentially confirming the abnormal temperature of the abnormal operation of the normal semiconductor;
s5, confirming the external environment temperature of the normal semiconductor as abnormal temperature, carrying out parameter test on the normal semiconductor again, generating a reliable signal or an unreliable signal through the signal generating module, and transmitting the reliable signal or the unreliable signal into the display terminal; the specific method is as follows:
s51, gradually increasing the input parameters of the normal semiconductor from 0 to a maximum bearing value, wherein the maximum bearing value is a preset value;
s52, sequentially obtaining output parameters generated by corresponding input parameters, marking the output parameters as SCk, and marking the input parameters as SRk, wherein k represents different testing stages;
s53, obtaining a ratio parameter BDk by adopting SRk/SCk= BDk;
s54, carrying out parameter test on other abnormal temperatures of the normal semiconductor, repeating the steps S51-S53 to obtain a plurality of ratio values, and binding a plurality of groups of ratio parameters BDk to obtain a ratio interval;
and extracting a preset interval from the storage module, comparing the ratio interval with the preset interval, generating a reliable signal through the signal generating module when the ratio interval belongs to the preset interval, transmitting the reliable signal into the display terminal for display, and generating an unreliable signal through the signal generating module when the ratio interval does not belong to the preset interval, and transmitting the unreliable signal into the display terminal for display.
Compared with the prior art, the invention has the beneficial effects that: through image analysis, the packaged semiconductor is subjected to analysis test to judge whether the semiconductor is normal or not, and then the normal semiconductor is subjected to signal test to judge whether the signal test of the semiconductor with normal appearance is normal or not;
after the signal test is normal, the semiconductor is subjected to a temperature test, when the tested temperature is not abnormal, the semiconductor can normally run without any problem, if the tested temperature is abnormal, the semiconductor is represented to be an abnormal semiconductor, then the abnormal semiconductor is subjected to a reliability test, whether the abnormal semiconductor can affect normal use is judged, the accuracy of the semiconductor test can be improved through multiple analysis tests, meanwhile, the reliability of the abnormal semiconductor is analyzed, the discarding of the abnormal semiconductor can be avoided, the production loss is reduced, and the overall packaging control management effect is improved.
Drawings
Fig. 1 is a schematic diagram of a principle frame of the present invention.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, the application provides a packaging control management system based on a full-automatic semiconductor production line, which comprises a graph acquisition terminal, a packaging management center and a display terminal;
the image acquisition terminal is electrically connected with the input end of the encapsulation management center, and the encapsulation management center is electrically connected with the input end of the display terminal;
the packaging management center comprises an image analysis module, an abnormality confirmation module, a storage module, a signal generation module, a test module and a temperature control module;
the image analysis module comprises a distance analysis unit and a pin analysis unit, the test module comprises a signal test unit and a parameter test unit, the storage module is respectively and electrically connected with the input ends of the image analysis module and the test module, the image analysis module is electrically connected with the input ends of the abnormality confirmation module, the abnormality confirmation module is respectively and electrically connected with the input ends of the information generation module and the test module, and the test module is electrically connected with the input ends of the temperature control module;
the image acquisition terminal acquires an integral image of the outer surface of the packaged semiconductor and transmits the acquired integral image to the packaging management center;
the image analysis module in the packaging management center performs image analysis on the whole image, analyzes parameters of the distance between the wafer and the corner of the substrate in advance through the distance analysis unit, analyzes pins around the semiconductor, and judges whether the semiconductor is in a normal state, wherein the specific mode of performing image analysis is as follows:
determining corner points of the four peripheries of the wafer according to the acquired integral image, and marking the determined corner points in sequence;
subsequently, confirming the corner points in the substrate according to the marked corner points, and obtaining distance values between the corner points of the wafer edge and the corner points of the substrate to obtain a plurality of groups of corresponding distance values;
analyzing whether the four groups of distance values are equal, if so, indicating that the mounting positions of the wafer positions are normal, assigning 1 to the designated semiconductor, otherwise, indicating that the mounting of the wafer positions is abnormal, and assigning 0 to the designated semiconductor;
the pin analysis unit is used for acquiring the peripheral pin images of the semiconductor, planning the opposite pin images into a comparison set, carrying out mirror image analysis and comparison on the pin images in the comparison set, and assigning 1 to the designated semiconductor again when the existing pin images are consistent in a plurality of groups of comparison sets, and assigning 0 to the designated semiconductor if the existing pin images are inconsistent;
and transmitting the assigned semiconductor number to an abnormality confirmation module.
In combination with the analysis of the practical application scene, the corner distance values between the wafer and the corresponding substrate in the semiconductor image are respectively 10, 10.5, 11 and 11;
wherein, the four groups of corner distance values are not equal, and a value of 0 is assigned to the appointed semiconductor;
the semiconductor image has four groups of pins, the number of the left and right groups of pins is 60, and the number of the upper and lower groups of pins is 70, so that the upper and lower mirror images are compared without errors, the left and right mirror images are compared without errors, and when the pins are tested normally, a designated semiconductor is assigned with 1;
only if the semiconductor assignment is 1, it can only represent that the semiconductor is normal, otherwise, the semiconductor is in abnormal state.
The abnormality confirmation module receives the semiconductor number, judges whether the semiconductor is normal or not according to the image analysis result, and judges the mode as follows:
confirming the designated semiconductor, acquiring the assignment of the designated semiconductor, marking the semiconductor with the assignment of 11 as a normal semiconductor, and performing retest processing through a test module;
if the assigned value of the assigned semiconductor is inconsistent with 11, the assigned semiconductor is marked as an abnormal semiconductor, an abnormal signal is generated through the signal generating module, and the number of the abnormal semiconductor and the abnormal signal are transmitted to the display terminal for display and are checked by external personnel.
The test module is used for carrying out test processing on the semiconductor judged to be normal, carrying out signal test through the signal test unit in advance, directly marking the semiconductor as an abnormal product if the signal test is abnormal, and carrying out parameter analysis test processing through the parameter test unit if the signal test is abnormal, wherein the specific mode of carrying out the test processing is as follows:
the signal testing unit is used for carrying out signal testing on a normal semiconductor in advance, sending a group of test signals into the semiconductor, analyzing the output time length of the test signals and marking the output time length as SC i Wherein i represents different normal semiconductors;
extracting a preset parameter Y1 from the storage module, wherein the preset parameter Y1 is a preset value, the specific value of the preset parameter is drawn by an operator according to experience, and the output duration SC is output i Alignment with Y1 when SC i When Y1 is less than or equal to the normal semiconductor test, parameter test processing is carried out through a parameter test unit, otherwise, an abnormal signal is generated through a signal generation module and is transmitted to a display terminal for display;
combining with actual application scene analysis, wherein two groups of normal semiconductors exist respectively, wherein the signal output time length of one group of normal semiconductors is 1.2 seconds, and the signal output time length of the other group of normal semiconductors is 0.9 seconds;
the preset parameter Y1 is 1 second, and at the moment, the other group of normal semiconductors can display that the signal test is normal, and the other group of normal semiconductors is abnormal, and the display terminal is used for displaying the signals.
The parameter test unit is used for carrying out parameter test processing on a semiconductor with normal signal test, controlling the external environment temperature through the temperature control module, determining a group of abnormal temperatures, carrying out reliability test again according to the determined abnormal temperatures, and analyzing whether the corresponding semiconductor can influence normal use, wherein the specific mode for carrying out the parameter test processing is as follows:
s1, determining a group of external environment temperatures through a temperature control module, defining a monitoring period T, wherein the T generally takes a value of 5min, inputting the optimal power parameters into a semiconductor with normal signal test, recording the output power parameters, and establishing a power parameter graph, wherein the transverse coordinate axis parameters are time values, and the vertical coordinate axis parameters are output power parameters;
s2, marking the output power parameter as GL i-t Wherein t represents different time points, each group of time points are separated by 1 second, t=1, 2, … … and n, and a preset parameter Y2 is extracted from the storage module, wherein the preset parameter Y2 is a preset value, and the specific value is empirically drawn by an operator;
s3, when GL i-t When the temperature is not less than Y2, no treatment is performed, otherwise, the determined external environment temperature is marked as abnormal temperature;
s4, sequentially changing the external environment temperature by the temperature control module, wherein the external environment temperature change value is generally set to be 30, 60, 70 and 80 ℃, and the steps S1-S3 are repeated to sequentially confirm the abnormal temperature of the normal semiconductor, which is abnormal in operation;
s5, confirming the external environment temperature of the normal semiconductor as abnormal temperature, carrying out parameter test on the normal semiconductor again, generating a reliable signal or an unreliable signal through the signal generating module, transmitting the reliable signal or the unreliable signal into the display terminal, and carrying out parameter test again in the following specific modes:
s51, gradually increasing the input parameters of the normal semiconductor from 0 to a maximum bearing value, wherein the maximum bearing value is a preset value, and the specific value is drawn by an operator according to experience;
s52, sequentially obtaining output parameters generated by corresponding input parameters, marking the output parameters as SCk, and marking the input parameters as SRk, wherein k represents different testing stages;
s53, obtaining a ratio parameter BDk by adopting SRk/SCk= BDk;
s54, carrying out parameter test on other abnormal temperatures of the normal semiconductor, repeating the steps S51-S53 to obtain a plurality of ratio values, binding a plurality of groups of ratio parameters BDk to obtain a ratio interval, extracting a preset interval from the storage module, comparing the ratio interval with the preset interval, determining that the semiconductor is normal in reliability in the abnormal temperature state when the ratio interval belongs to the preset interval, generating a reliable signal through the signal generating module, transmitting the reliable signal to the display terminal for display, and generating an unreliable signal through the signal generating module for display when the ratio interval does not belong to the preset interval, wherein the unreliable signal is represented by the semiconductor in the abnormal temperature state for external operators to check.
Controlling the external environment temperature to be 30 ℃ in combination with actual application scene analysis, carrying out parameter test, and confirming the output power parameter within 5min, wherein the minimum output power parameter is 50, and the value of Y2 is 45;
if 50 is greater than 45, then at this time, the controlled external environment temperature does not belong to the abnormal temperature, then the other 60, 70 and 80 ℃ are sequentially tested to confirm a group of abnormal temperatures, if all the tested temperatures are normal, no processing is performed, if a group of abnormal temperatures 70 are confirmed, under normal conditions, the controlled external environment temperature is the normal working temperature of the normal semiconductor, if the abnormal temperature is stored in the normal working temperature testing range, the semiconductor is possibly in an abnormal state;
the abnormal temperature is controlled, the normal semiconductor is retested, the input power parameter is gradually adjusted from 0 to the maximum bearing value, the output parameter is recorded, and the belonged ratio is obtained;
and confirming a ratio interval according to a plurality of ratios, comparing the ratio interval with a preset interval, and if the comparison is normal, normally using the normal semiconductor, otherwise, disabling the normal semiconductor.
The partial data in the formula are all obtained by removing dimension and taking the numerical value for calculation, and the formula is a formula closest to the real situation obtained by simulating a large amount of collected data through software; the preset parameters and the preset threshold values in the formula are set by those skilled in the art according to actual conditions or are obtained through mass data simulation.
The working principle of the invention is as follows: firstly, analyzing and testing a packaged semiconductor through image analysis to judge whether the semiconductor is normal or not, and then, performing signal testing on the normal semiconductor to judge whether the signal testing of the semiconductor with normal appearance is normal or not;
after the signal test is normal, the semiconductor is subjected to a temperature test, when the tested temperature is not abnormal, the semiconductor can normally run without any problem, if the tested temperature is abnormal, the semiconductor is represented to be an abnormal semiconductor, then the abnormal semiconductor is subjected to a reliability test, whether the abnormal semiconductor can affect normal use is judged, the accuracy of the semiconductor test can be improved through multiple analysis tests, the reliability of the abnormal semiconductor is analyzed, and the overall packaging control management effect is improved.
The above embodiments are only for illustrating the technical method of the present invention and not for limiting the same, and it should be understood by those skilled in the art that the technical method of the present invention may be modified or substituted without departing from the spirit and scope of the technical method of the present invention.
Claims (5)
1. The packaging control management system based on the full-automatic semiconductor production line is characterized by comprising a graph acquisition terminal, a packaging management center and a display terminal;
the packaging management center comprises an image analysis module, an abnormality confirmation module, a storage module, a signal generation module, a test module and a temperature control module;
the image analysis module comprises a distance analysis unit and a pin analysis unit, and the test module comprises a signal test unit and a parameter test unit;
the image acquisition terminal acquires an integral image of the outer surface of the packaged semiconductor and transmits the acquired integral image to the packaging management center;
the image analysis module in the packaging management center performs image analysis on the whole image, analyzes parameters of the distance between the wafer and the corner of the substrate in advance through the distance analysis unit, and then analyzes pins around the semiconductor to generate an image analysis result;
the abnormality confirmation module is used for receiving the semiconductor number and judging whether the semiconductor is normal or not according to the image analysis result;
the test module is used for carrying out test processing on the semiconductor judged to be normal, carrying out signal test through the signal test unit in advance, directly marking the semiconductor as an abnormal product if the signal test is abnormal, and carrying out parameter analysis test processing through the parameter test unit if the signal test is abnormal;
the parameter test unit is used for performing parameter test processing on the semiconductor with normal signal test, controlling the external environment temperature through the temperature control module, determining a group of abnormal temperatures, performing reliability test again according to the determined abnormal temperatures, and analyzing whether the corresponding semiconductor can influence normal use;
the specific mode of the image analysis module for carrying out image analysis on the whole image is as follows:
determining corner points of the four peripheries of the wafer according to the acquired integral image, and marking the determined corner points in sequence;
subsequently, confirming the corner points in the substrate according to the marked corner points, and obtaining distance values between the corner points of the wafer edge and the corner points of the substrate to obtain a plurality of groups of corresponding distance values;
analyzing whether the four groups of distance values are equal, if so, indicating that the mounting positions of the wafer positions are normal, assigning 1 to the designated semiconductor, otherwise, indicating that the mounting of the wafer positions is abnormal, and assigning 0 to the designated semiconductor;
the pin analysis unit acquires the peripheral pin images of the semiconductor, and plans the opposite pin images into a comparison set, performs mirror analysis and comparison on the pin images in the comparison set, assigns 1 to the designated semiconductor again when the existing pin images are consistent in a plurality of groups of comparison sets, and assigns 0 to the designated semiconductor if the existing pin images are inconsistent;
and transmitting the assigned semiconductor number to an abnormality confirmation module.
2. The packaging control management system based on the full-automatic semiconductor production line according to claim 1, wherein the specific mode of determining whether the semiconductor is normal by the abnormality confirmation module is:
confirming the designated semiconductor, acquiring the assignment of the designated semiconductor, marking the semiconductor with the assignment of 11 as a normal semiconductor, and performing retest processing through a test module;
if the assigned value of the assigned semiconductor is inconsistent with 11, the assigned semiconductor is marked as an abnormal semiconductor, an abnormal signal is generated through the signal generating module, and the number of the abnormal semiconductor and the abnormal signal are transmitted to the display terminal for display.
3. The packaging control management system based on the full-automatic semiconductor production line according to claim 1, wherein the specific manner of the signal test unit for performing the signal test is as follows:
signal testing is carried out on a normal semiconductor in advance, a group of test signals are sent into the semiconductor, the output time length of the test signals is analyzed, and the output time length is marked as SC i Wherein i represents different normal semiconductors;
extracting a preset parameter Y1 from the storage module, wherein the preset parameter Y1 is a preset value, and outputting a duration SC i Alignment with Y1 when SC i And when Y1 is less than or equal to the preset value, the normal semiconductor test is represented to be normal, the parameter test unit is used for carrying out parameter test processing, otherwise, the signal generation module is used for generating an abnormal signal.
4. The packaging control management system based on the full-automatic semiconductor production line according to claim 3, wherein the parameter test unit performs parameter test processing on the semiconductor with normal signal test in the following specific manner:
s1, determining a group of external environment temperatures through a temperature control module, wherein the external environment temperatures are drawn up in advance by an operator, a monitoring period T is limited, the optimal power parameters are input into a semiconductor with normal signal test, the output power parameters are recorded, a power parameter graph is established, the parameters of a horizontal coordinate axis are time values, and the parameters of a vertical coordinate axis are output power parameters;
s2, marking the output power parameter as GL i-t Wherein t represents different time points, each group of time points are separated by 1 second, t=1, 2, … … and n, and a preset parameter Y2 is extracted from the storage module, wherein the preset parameter Y2 is a preset value;
s3, when GL i-t When the temperature is not less than Y2, no treatment is performed, otherwise, the determined external environment temperature is marked as abnormal temperature;
s4, sequentially changing the external environment temperature by the temperature control module, repeating the steps S1-S3, and sequentially confirming the abnormal temperature of the abnormal operation of the normal semiconductor;
s5, confirming the external environment temperature of the normal semiconductor as abnormal temperature, carrying out parameter test on the normal semiconductor again, generating a reliable signal or an unreliable signal through the signal generating module, and transmitting the reliable signal or the unreliable signal into the display terminal.
5. The packaging control management system based on the fully automatic semiconductor production line according to claim 4, wherein in the step S5, the specific manner of performing the parameter test again on the normal semiconductor is as follows:
s51, gradually increasing the input parameters of the normal semiconductor from 0 to a maximum bearing value, wherein the maximum bearing value is a preset value;
s52, sequentially obtaining output parameters generated by corresponding input parameters, marking the output parameters as SCk, and marking the input parameters as SRk, wherein k represents different testing stages;
s53, obtaining a ratio parameter BDk by adopting SRk/SCk= BDk;
s54, carrying out parameter test on other abnormal temperatures of the normal semiconductor, repeating the steps S51-S53 to obtain a plurality of ratio values, and binding a plurality of groups of ratio parameters BDk to obtain a ratio interval;
and extracting a preset interval from the storage module, comparing the ratio interval with the preset interval, generating a reliable signal through the signal generating module when the ratio interval belongs to the preset interval, transmitting the reliable signal into the display terminal for display, and generating an unreliable signal through the signal generating module when the ratio interval does not belong to the preset interval, and transmitting the unreliable signal into the display terminal for display.
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| CN105259215B (en) * | 2015-11-13 | 2018-01-02 | 大连民族大学 | The method of testing of semiconductor gas sensor |
| CN112509944A (en) * | 2020-11-24 | 2021-03-16 | 苏州德机自动化科技有限公司 | Process terminal detection equipment |
| CN114325283A (en) * | 2021-12-27 | 2022-04-12 | 哈尔滨工业大学 | Semiconductor performance test system under vacuum light irradiation condition and control method thereof |
| CN115389624B (en) * | 2022-10-27 | 2023-02-10 | 智能网联汽车(山东)协同创新研究院有限公司 | Sound wave test system for processing |
| CN116030021B (en) * | 2023-02-01 | 2023-08-01 | 苏州德机自动化科技有限公司 | Automatic detection system for hidden crack characteristics of photovoltaic module |
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